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If (f(x)=\frac{x-5}{x+4}), what is the real domain?यदि (f(x)=\frac{x-5}{x+4}), तो वास्तविक प्रान्त कौन-सा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (R-{-4})(R-{-4})
Step 1: The denominator of the function is (x+4). Step 2: The denominator cannot be zero, so (x+4\ne0). Step 3: Removing (x=-4), all other real numbers remain in the domain.चरण 1: फलन में हर (x+4) है। चरण 2: हर शून्य नहीं हो सकता, इसलिए (x+4\ne0)। चरण 3: (x=-4) को हटाकर सभी वास्तविक संख्याएँ प्रान्त में रहेंगी।
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